Quote:
Originally posted by Gunner220
Just a couple of observations about Blue Dot. It is a temperature sensitive powder in that loads developed in cold weather will operate at higher pressures in the heat of summer. This based on case/primer observations and just the feel of the load. Not very scientific I know but I have 30 years of reloading experience to go along with it....
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I've stayed out of this discussion so far since I've never loaded anything with Blue Dot. The reason is that a ladies champion shooter's husband owned a gunshop in OKC back in the 1970's when I lived in the area. He stated that he loaded her .357 ammo with Blue Dot in the winter, but switched off as the weather warmed due to pressure problems. I figured I didn't want to take a chance. And it did get really hot in Oklahoma.